  cdfbet - cumulative distribution function Beta distribution
  cdfbin - cumulative distribution function Binomial distribution
  cdfchi - cumulative distribution function chi-square distribution
  cdfchn - cumulative distribution function non-central chi-square distribution
  cdff - cumulative distribution function F distribution
  cdffnc - cumulative distribution function non-central f-distribution
  cdfgam - cumulative distribution function gamma distribution
  cdfnbn - cumulative distribution function negative binomial distribution
  cdfnor - cumulative distribution function normal distribution
  cdfpoi - cumulative distribution function poisson distribution
  cdft - cumulative distribution function Student's T distribution
  grand - Random number generator(s)